Overview
Sonar provides extensive configuration options to customize your sale. These are configured in the Echo Founder Dashboard before your sale launches.Offered Token
The “offered token” is the token that will be sold in the sale.Sale Timeline
Note that there are other phases like “cancellation” and “settlement” that you will transition to manually. You can read more about the complete sale lifecycle on the Sale Lifecycle page.
Chain & payment tokens
Sonar supports both EVM and SVM chains. Currently supported chains include Ethereum, Base, and Monad (EVM), and Solana (SVM). Monad is the most recent addition.
Payment tokens vary by chain. On Monad, the available payment tokens are:
Contact support@echo.xyz for specific network availability.
Sale Mechanics
Choose how your token price is determined: fixed price or English auction. Each strategy has its own price parameters configured in the Founder Dashboard.See Pricing Strategies for details on each option and its configuration.
Enhanced Security
Contract Addresses
See Roles & Permissions for details on the admin role and other contract roles.
Commitment Limits
Limits are enforced at the entity level, not the wallet level—so a participant can’t circumvent limits by using multiple wallets.See Purchase Permits for implementation details on how limits are enforced.
Compliance Options
Geographic Restrictions
Wallet Screening
You can configure thresholds for direct and indirect exposure to flagged addresses.
See Wallet Risk Screening for details on risk groups and configuration.
US Participants
Advanced
Next Steps
Getting Started
Begin your technical integration
Sale Lifecycle
Understand the end-to-end sale process